[8.x] Add a method to remove a resolved view engine (#36955)

* add a method to remove a resolved view engine

* clean

Author: themsaid

src/Illuminate/View/Engines/EngineResolver.php

@@ -57,4 +57,15 @@ public function resolve($engine)
 
         throw new InvalidArgumentException("Engine [{$engine}] not found.");
     }
+
+    /**
+     * Remove a resolved engine.
+     *
+     * @param  string  $engine
+     * @return void
+     */
+    public function forget($engine)
+    {
+        unset($this->resolved[$engine]);
+    }
 }